Barbarian Attack 3Blade Sweep
Though the fury of your attack is directed at a single foe, no nearby enemy is spared your wrath.
Encounter Primal, Weapon
Standard Action Melee weapon
Target: One creature
Attack: Strength vs. AC
Hit: 2[W] + Strength modifier damage, and each bloodied enemy adjacent to you takes damage equal to your Constitution modifier.
Rageblood Vigor: Each enemy adjacent to you that is not bloodied also takes damage equal to your Constitution modifier.
Published in Player's Handbook 2, page(s) 52.